3580643 has 4 divisors (see below), whose sum is σ = 3906168. Its totient is φ = 3255120.

The previous prime is 3580613. The next prime is 3580649. The reversal of 3580643 is 3460853.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3460853 = 11 ⋅314623.

It is not a de Polignac number, because 3580643 - 2⁶ = 3580579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3580649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162746 + ... + 162767.

It is an arithmetic number, because the mean of its divisors is an integer number (976542).

Almost surely, 2^3580643 is an apocalyptic number.

3580643 is a deficient number, since it is larger than the sum of its proper divisors (325525).

3580643 is a wasteful number, since it uses less digits than its factorization.

3580643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325524.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3580643 is about 1892.2587032433. The cubic root of 3580643 is about 152.9866991157.

The spelling of 3580643 in words is "three million, five hundred eighty thousand, six hundred forty-three".